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(3-Methyl-2-oxobutyl)phosphonic acid diethyl ester is an organic phosphonate compound with the molecular formula C9H19O5P. It is known for its chelating properties and ability to bind and remove metal ions from aqueous solutions.

7751-67-9

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7751-67-9 Usage

Uses

Used in Water Treatment Industry:
(3-Methyl-2-oxobutyl)phosphonic acid diethyl ester is used as a chelating agent for preventing scale and corrosion in water systems due to its ability to bind metal ions.
Used in Metal Processing Industry:
(3-Methyl-2-oxobutyl)phosphonic acid diethyl ester is used as a chelating agent for removing metal ions from aqueous solutions, which helps in metal processing.
Used in Cleaning Products Industry:
(3-Methyl-2-oxobutyl)phosphonic acid diethyl ester is used as a chelating agent in cleaning products to remove metal ions and prevent scale buildup.
Used in Polymer Production:
(3-Methyl-2-oxobutyl)phosphonic acid diethyl ester is used as a stabilizer and a component in the production of various polymers.
Used in Pharmaceutical Industry:
(3-Methyl-2-oxobutyl)phosphonic acid diethyl ester has potential applications in the pharmaceutical industry, although specific uses are not mentioned in the provided materials.
Used in Agricultural Industry:
(3-Methyl-2-oxobutyl)phosphonic acid diethyl ester has potential applications in the agricultural industry, although specific uses are not mentioned in the provided materials.
It is important to handle (3-Methyl-2-oxobutyl)phosphonic acid diethyl ester with care, as it can potentially be hazardous if not properly managed.

Check Digit Verification of cas no

The CAS Registry Mumber 7751-67-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,5 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7751-67:
(6*7)+(5*7)+(4*5)+(3*1)+(2*6)+(1*7)=119
119 % 10 = 9
So 7751-67-9 is a valid CAS Registry Number.

7751-67-9Relevant academic research and scientific papers

Synthesis of 3&β,29-Dihydroxystigmasta-5,24(28)(E)-dien-7-one

Le, Phu H.,Preus, Martin Wuu,McMorris, Trevor C.

, p. 2163 - 2167 (1982)

The synthesis of 3β,29-dihydroxystigmasta-5,24(28)(E)-dien-7-one from 3β-acetoxy-22,23-dinorcholenaldehyde has been achieved in an overall yield of 7 percent..Witting reaction of the aldehyde and diethyl (3-methyl-2-oxobutyl)phosphonate anion gave 3β-acetoxycholesta-5,22-dien-24-one which was hydrogenated selectively, and the saturated ketone was allowed to react with the anion of diethyl (cyanomethyl)phosphonate.The resulting nitrile was reduced via the alehyde to 29-hydroxyfucosterol by using DIBAL-H.Acetylation of this diol and oxidation with chromium trioxide-3,5-dimethylpyrazole afforded the 7-ketone.Mild hydrolysis of the acetate groups completed the synthesis.

Silver-Catalyzed Oxidative C(sp3)?P Bond Formation through C?C and P?H Bond Cleavage

Li, Lili,Huang, Wenbin,Chen, Lijin,Dong, Jiaxing,Ma, Xuebing,Peng, Yungui

supporting information, p. 10539 - 10544 (2017/08/22)

The silver-catalyzed oxidative C(sp3)?H/P?H cross-coupling of 1,3-dicarbonyl compounds with H-phosphonates, followed by a chemo- and regioselective C(sp3)?C(CO) bond-cleavage step, provided heavily functionalized β-ketophosphonates. This novel method based on a readily available reaction system exhibits wide scope, high functional-group tolerance, and exclusive selectivity.

Stereoselective synthesis of 24-hydroxylated compounds useful for the preparation of aminosterols, vitamin D analogs, and other compounds

-

Page/Page column 28, (2016/11/02)

A method is described for stereoselectively reducing an unsaturated alkyl ketone substituent attached to a fused ring base. In this method, the unsaturated alkyl ketone reacts with a chiral oxazaborolidine reagent. This reaction stereoselectively reduces

One pot synthesis of mono- and spirocyclic α-phosphonato-α,β- unsaturated cycloenones

Gil, Jun Mo,Hah, Jung Hwan,Park, Kwang Young,Oh, Dong Young

, p. 3205 - 3208 (2007/10/03)

A one pot ozonolysis/intramolecular aldol condensation(with the aid of T(s)OH and Et3N as catalysts) of β-keto-ω-alkenylphosphonates provided the α-phosphonato-α,β-unsaturated cycloenone with good yields.

Preparation of 1-aminoalkylphosphonic acids and 2-aminoalkylphosphonic acids by reductive amination of oxoalkylphosphonates

Ryglowski, Artur,Kafarski, Pawel

, p. 10685 - 10692 (2007/10/03)

By reacting dialkyl 1-oxo- or 2-oxoalkylphosphonates with benzhydrylamine followed by reduction with triacetoxyborohydride and acid hydrolysis gave corresponding aminoalkylphosphonic acids with satisfactory yields. The use of benzylamine, α-methylbenzylamine and tritylamine was unsuccessful in the case of dialkyl 1-oxoalkylphosphonates whereas conversion of 2-oxoalkylphosphonates was also achieved although with lower yields.

Reaction of 2-Chlorooxiranes with Phosphites and Phosphanes: A New Route to β-Carbonylphosphonic Esters and -phosphonium Salts

Herzig, Christian,Gasteiger, Johann

, p. 601 - 614 (2007/10/02)

Reaction of alkylsubstituted 2-chlorooxiranes 6 with trialkyl phosphites 11 gives β-carbonylphosphonic diesters (12a, b, 15a, b, 20a, 21a), free of isomeric enol phosphates or α,β-epoxyphosphonates. 2-Chloro-2-(chloromethyl)oxirane (6c) undergoes with 11 an Arbusov reaction followed by a Perkow reaction ( -> 18 -> 17).The limitation of the method is probed with sterically crowded substituents in 3-position of 6. 6b yields with triphenylphosphane a β-ketophosphonium salt (23), which can be converted to a keto-ylide (24).

PHOSPHOR- UND SCHWEFELSUBSTITUIERTE ALLENE IN DER SYNTHESE I : EINFACHE SYNTHESE VON β-KETOPHOSPHONATEN AUS 1-ALKIN-3-OLEN

Altenbach, Hans-Josef,Korff, Rainer

, p. 5175 - 5178 (2007/10/02)

Allenic phosphonates, readily accessible from 1-alkin-3-ols, the addition products of 1-alkines to aldehydes or ketones, can be transformed to β-ketophosphonates by nucleophilic addition of diethylamine and subsequent hydrolysis of the formed enamines.

β-Ketophosphonsaeureester aus α-chloroxiranen

Gasteiger, Johann,Herzig, Christian

, p. 2687 - 2688 (2007/10/02)

β-Ketophosphonic ester can be obtained by the treatment of α-chloroepoxides with trialkylphosphites.

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